docs: def dumps(self):
          """Get rendered tabular text from the table data.
  
          Only available for text format table writers.
  
          Returns:
              str: Rendered tabular text.
          """
  
          old_stream = self.stream
  
          try:
              self.stream = six.StringIO()
              self.write_table()
              tabular_text = self.stream.getvalue()
          finally:
              self.stream = old_stream
  
          return tabular_text